the president also facing a lot of questions about the death of the ambassador in benghazi. you saw mitt romney doing that over the weekend. the way he's going to win this race is if he convinces those undecided voters that he's got the better answers on the economy. that is still issue number one, two and three. >> it's going to be something you're going to be covering wednesday night during the debate. george, thanks so much. don't forget to watch abc's "this week" later this morning. george's guests include governor chris christie and white house adviser david plouffe. tune in wednesday for our special coverage of "one on one," the candidates debate. 9:00 eastern, 6:00 pacific. >>> a supremely embarrassing week for this nation's airport screeners. not only did abc's brian ross bust one tsa screener for making off with an ipad left at security, but two incidents of loaded guns making it through the x-ray machines undetected. abc's mark greenblatt is at new york's laguardia airport. this morning, mark, good morning to you. >> good morning to you, dan. frequent travelers oft